6887991978 is an even 10-digits composite number following 6887991977
and preceding 6887991979 . In scientific notation, it is written as 6.887991978 × 10^9.
The sum of its digits is 72. It has a total of 5 prime factors and 24 positive divisors.
There are 1967996736 positive integers (up to 6887991978) that are relatively prime to 6887991978.
6887991978 has 24 divisors, whose sum is 15002952900
The reverse of 6887991978 is 8791997886
Previous prime number is 3
Is Prime? no
Number parity even
Number length 10
Sum of Digits 72
Digital Root 9
Name
six billion eight hundred eighty-seven million nine hundred ninety-one thousand nine hundred seventy-eight
Scientific notation
6.887991978 × 10^9
Engineering notation
6.887991978 × 10^9
Prime Factorization
2 × 189 × 3 × 3 × 2024689
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2295997326
Product of the distinct prime numbers
The prime factorization of 6887991978 is 2 × 189 × 3 × 3 × 2024689.
Since it has a total of 5 prime factors.
2 , 8 , 84 , 39 , 58 , 196 , 1208 , 4943 , 37292 , 22452 , 732379 , 327338 , 2088186 , 9841553 , 31052782 , 67648527 , 539966409 , 905990813 , 8132329891 , 7391889403
n×2
13775983956
n×3
20663975934
n×4
27551967912
n×5
34439959890
n÷2
3443995989
n÷3
2295997326
n÷3
1721997994.5
n÷5
1377598395.6
n2
4.7444433488992E+19
n3
3.2679687727293E+29
n4
2.2509742690914E+39
n5
1.5504692708186E+49
2 √n
82993.927356163
3 √n
1902.6732433412
4 √n
288.08666639774
5 √n
92.815076407773
1 , 2 , 3 , 6 , 9 , 18 , 189 , 378 , 567 , 1134 , 1701 , 3402 , 2024689 , 4049378 , 6074067 , 12148134 , 18222201 , 36444402 , 382666221 , 765332442 , 1147998663 , 2295997326 , 3443995989 , 6887991978
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-6887991977
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 6887991978 can be divided by 24 positive divisors.
The sum of these divisors (counting 6887991978) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110011010100011100110101010101010
3
Ternary
122210000222020200000
4
Quaternary
12122203212222222
5
Quinary
103101311220403
6
Senary
3055253323430
8
Octal
63243465252
10
Decimal
6887991978
12
Duodecimal
1402936576
16
Hexadecimal
19a8e6aaa
20
Vigesimal
57c9ijii
36
Base36
35wxkmi
md5
0f7da0d3f9c0c1ff0560e2743d8f30b6
sha1
72fc9e1195ac24f1e1d5a88f795bad841f9d5e8d
sha256
af2151c75545f3c53fd34ee658e81acfcf047164122e47741472f43831b6cdc9
sha512
353c237e4d1b94ac77114b53757cf45ccb8266f5bd53e86719d475c7027f0a4ff31cc6e348db5e233a46d6bce8619df2f36fc8ecf2ed0581acdc417ddfc0cf74
ripemd-160
1313da818a6266ae8ffbd94e45d47441e68a64fb
Diameter
13775983956
Circumference
43278529992.14
Area
1.4905108370275E+20
Volume
1.3688835584756E+30
Surface area
5.9620433481099E+20
Circumference
43278529992.14
Perimeter
27551967912
Area
4.7444433488992E+19
Diagonal
9741091672.8047
Surface area
2.8466660093395E+20
Volume
3.2679687727293E+29
Space diagonal
11930352068.023
Perimeter
20663975934
Area
2.0544042334814E+19
Altitude
5965176034.0114
Surface area
2.0544042334814E+19
Volume
3.8513381331713E+28
Height
3247030557.6016